Stadium: Court 3 Round: 25 Ground: Clay
| ITF M25 Bolzano | 2021/08/07 09:00 | Matteo Arnaldi v Alexander Weis | 6-0,6-1 |
| ITF M25 Bolzano | 2021/08/06 10:25 | Federico Arnaboldi v Alexander Weis | 7-5,1-6,1-6 |
| ITF M25 Bolzano | 2021/08/05 10:25 | Alexander Weis v Andrea Gola | 6-2,6-0 |
| ITF M25 Bolzano | 2021/08/04 08:35 | Riccardo Balzerani v Alexander Weis | 3-6,3-6 |
| ITF M25 Bolzano | 2021/08/03 08:30 | Alexander Weis v Daniel Dutra Da Silva | 7-6,7-6 |
| ITF M15 Esch/Alzette | 2021/07/22 10:00 | Gabriel Alejandro Hidalgo v Alexander Weis | 6-2,6-7,7-5 |
| ITF M15 Esch/Alzette | 2021/07/21 09:00 | Jeffrey Von Der Schulenburg v Alexander Weis | 4-6,4-6 |
| ITF M15 Esch/Alzette | 2021/07/20 11:00 | Alexander Weis v Gauthier Onclin | 7-6,2-6,7-6 |
| ITF M15 Valldoreix | 2021/05/12 09:50 | Rayane Roumane v Richard Zusman | 3-6,6-3,6-3 |
| ITF M25 Reus | 2021/04/11 07:00 | Emilio Nava v Richard Zusman | 6-4,7-6 |
| ITF M15 Antalya | 2021/03/28 06:30 | Alexander Ovcharov v Richard Zusman | 6-3,6-3 |
| ITF M15 Antalya | 2021/03/21 07:00 | Ivan Denisov v Richard Zusman | 7-5,6-4 |
| ITF M15 Antalya | 2021/03/16 09:30 | Richard Zusman v Peter Fajta | 5-7,5-7 |
| ITF M15 Torello | 2020/12/07 11:30 | Richard Zusman v Kuzey Cekirge | 3-6,6-3,5-10 |
| ITF M15 Benicarlo | 2020/11/22 14:00 | Richard Zusman v Luis Faria | 4-6,3-6 |
| ITF M15 Valldoreix | 2020/11/11 10:30 | Richard Zusman v Louis Dussin | 2-6,2-6 |